High Availability
Slay the downtime dragon and be an HA hero
High Availability
Exchange 2013 - Microsoft finally have an email solution designed for high availability and load balancing
In Exchange Server 2013, there are two basic building blocks – the Client Access Array and the Database Availability Group (DAG)...
HAProxy
Setting up HAProxy with Transparent Mode on Centos 6.x
Transparent mode with HAProxy allows you to see the IP Address of the clients computer while still having a high availability service using HAProxy...
Application Management
Load Balancing Exchange 2010 CAS Array with HAProxy (Quick Guide)
This Blog is for anyone wanting to load balance the Exchange 2010 CAS role using only open source software...
High Availability
Simple bare metal restore of your load balancer with a USB stick
Does it seem like some appliance vendors go out of their way to make hardware recovery and licencing as difficult as possible?..
Application Management
Apache and X-Forwarded-For Header: How to log XFF using Apache
There’s been a lot of debate here in the office about how best to capture both your Loadbalancer’s IP and the Source IP of the user in your access_log in Apache 2.4. This is the tried and tested method we've come up with...
GSLB
Why does Global Server Load Balancing (GSLB) suck?
OK, Before the flames start let me state the usual caveat, "GSLBs don't ALWAYS suck. Just most of the time"...
High Availability
Loadbalancer.org guarantee 99.999% (5 nines) up-time to all of our customers.
Some vendors make a fair bit of hype about their products enabling 99.999% availability out of the box...